Connected: An Internet Encyclopedia
RFC 822 - 3.2. HEADER FIELD DEFINITIONS

Top: Connected: An Internet Encyclopedia
Up: Requests For Comments
Up: RFC 822
Up: 3. LEXICAL ANALYSIS OF MESSAGES
Prev: 3.1.4. STRUCTURED FIELD BODIES
Next: 3.3. LEXICAL TOKENS

### 3.2. HEADER FIELD DEFINITIONS

These rules show a field meta-syntax, without regard for the particular type or internal syntax. Their purpose is to permit detection of fields; also, they present to higher-level parsers an image of each field as fitting on one line.

         field       =  field-name ":" [ field-body ] CRLF

         field-name  =  1*<any CHAR, excluding CTLs, SPACE, and ":">

         field-body  =  field-body-contents
                        [CRLF LWSP-char field-body]

         field-body-contents =
                       <the ASCII characters making up the field-body, as
                        defined in the following sections, and consisting
                        of combinations of atom, quoted-string, and
                        specials tokens, or else consisting of texts>

Next: 3.3. LEXICAL TOKENS

Connected: An Internet Encyclopedia
RFC 822 - 3.2. HEADER FIELD DEFINITIONS